"Roar! Invincible Dragon!!" is the 2nd D Booster Set released in the Japanese and English formats.
• Contains 122 cards (4 BR/5 Secret/8 RRR/12 RR/23 R/30 U/45 C).
• Includes a small number of reprints.
• Includes further support for Dragon World, Katana World, Ancient World & Darkness Dragon World.
• Each booster contains 5 random cards, one of them definitely R or greater, and also there may be the foil version of any R/U/C card.